Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Water Carbon tetrachloride Ethylene glycol Paraffin Water Carbon tetrachloride Ethylene glycol Paraffin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 3 13 29 0.1 3 13 29 0.1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Radiation pyrometer Optical pyrometer Infra red pyrometer Resistance pyrometer Radiation pyrometer Optical pyrometer Infra red pyrometer Resistance pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function Gā/1 + Gā is given by 1 + Gā = 0. The characteristic equation for the control system All of these Determines its stability Is the same for set point or load changes Depends only upon the open loop transfer function All of these Determines its stability Is the same for set point or load changes Depends only upon the open loop transfer function ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is Based on the principle of Faraday's law Based on the linear relationship between the fluid flow rate and the induced voltage All of these Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law Based on the linear relationship between the fluid flow rate and the induced voltage All of these Capable of measuring the flow rate of slurries and electrolytes ANSWER DOWNLOAD EXAMIANS APP
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